{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5e10bccd115199138b80a3a05faf95f9608633257211e8c24e477c5c00c22690",
    "signature": "0x976d183457c9d582cf50c2af0a4676bf677e02dbec3e517da64efd1fc4d09bb842f2a05799170b0696e87bd0a7de7627898fcc3a09b34bc2ea53d43b5fdc7bcf1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}